/**
* The RoleChangeNotifier is responsible for receiving Raft role and leader state change messages and notifying
* the listeners (within the same node), which are registered with it.
- * <p/>
+ *
+ * <p>
* The RoleChangeNotifier is instantiated by the Shard and injected into the RaftActor.
*/
public class RoleChangeNotifier extends AbstractUntypedActor implements AutoCloseable {